Quarter	Sterling (millions)
2004-03-31	92.9
2004-06-30	92.5
2004-09-30	92
2004-12-31	92.5
2005-03-31	92.4
2005-06-30	92.8
2005-09-30	93
2005-12-31	93.4
2006-03-31	94.6
2006-06-30	95.5
2006-09-30	95.2
2006-12-31	95.2
2007-03-31	95
2007-06-30	95.3
2007-09-30	94.5
2007-12-31	93
2008-03-31	93
2008-06-30	93.4
2008-09-30	93
2008-12-31	93
2009-03-31	92.3
2009-06-30	92
2009-09-30	90.5
2009-12-31	89.3
2010-03-31	88.9
2010-06-30	87.9
2010-09-30	88.7
2010-12-31	88.5
2011-03-31	88.9
2011-06-30	87.5
2011-09-30	86.1
2011-12-31	84.5
2012-03-31	82.3
2012-06-30	84.4
2012-09-30	86.1
2012-12-31	88
2013-03-31	88.6
2013-06-30	89.6
2013-09-30	89.9
2013-12-31	90.6
2014-03-31	90.9
2014-06-30	90.9
2014-09-30	91.5
2014-12-31	92.4
2015-03-31	92.4
2015-06-30	91.6
2015-09-30	91.2
2015-12-31	88.9
2016-03-31	87.9
2016-06-30	86.8
2016-09-30	87.5
2016-12-31	89.1
2017-03-31	91
2017-06-30	91.7
2017-09-30	90.1
2017-12-31	91
2018-03-31	90.1
2018-06-30	90.8
2018-09-30	91.3
2018-12-31	91.4
2019-03-31	92.3
2019-06-30	91
2019-09-30	92.2
2019-12-31	91.5
2020-03-31	91.2
2020-06-30	92.5
2020-09-30	93.9
2020-12-31	93.6
2021-03-31	93.6
2021-06-30	93.9
2021-09-30	94.5
2021-12-31	96.5
2022-03-31	97.9
2022-06-30	97.9
2022-09-30	97.3
2022-12-31	97.4
2023-03-31	97.1
2023-06-30	96.7
2023-09-30	96.3
2023-12-31	94.7